speckle size

基本解释

In this paper, the number, size and center of the iris' speckle regions are considered as the properties of iris texture.
本文将虹膜散斑的个数、面积、范围和质心位置作为虹膜纹理的属性，然后利用质心的位置进行编码。
Analytical expressions for the first-and second-order moments of the intensity have been derived, and the size of the speckle cell has been computed.
导出了散射光场的自相关函数和光强度的二阶矩的解析表达式，计算了激光散斑的面积。
At the same time, the experiments also show that the size and shape of the light speckle can also exert certain effects on the ultimate position precision.
同时，实验还表明，光源的光斑大小、形状对位置精度也有一定的影响。